package com.gsy.springbootshiro.controller;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @program: springboot-shiro
 * @description:
 * @author: GSY
 * @create: 2020-03-16 14:47
 **/

@Controller
public class MyController {


    @RequestMapping("/index" )
    public String toIndex(Model model){
        return "index";
    }


    @RequestMapping("/user/add")
    public String add(){
        return "/user/add";
    }


    @RequestMapping("/user/update")
    public String update(){
        return "/user/update";
    }


    @RequestMapping("/tologin")
    public String toLogin(){
        return "/login";
    }


    @RequestMapping("/login")
    public String login(String username,String password,Model model){

        //获取当前用户
        Subject subject = SecurityUtils.getSubject();

        //封装用户的登录数据
       UsernamePasswordToken token =  new UsernamePasswordToken(username,password);
       //执行登录方法
        try {
            subject.login(token);
            return "index";
        }catch (UnknownAccountException e){//用户名不存在
            model.addAttribute("msg","用户名错误");
            return "login";
        }catch (IncorrectCredentialsException e){//密码不存在
            model.addAttribute("msg","密码错误");
            return "login";
        }

    }



    @RequestMapping("/unauthor")
    @ResponseBody
    public String unauthor(){
        return "没有授权";
    }
}
